Question

HELP ANYONE i have a homework question! (drawing will be in the comments)

Answer 1

Are you trying to find the angle? or the length?

Answer 2

the angle

Answer 3

First you should know that vertical angles are congruent

Answer 4

Do you need a proof?

Answer 5

no, i know

Answer 6

no i meant a mathematical proof or have you not done that?

Answer 7

Now do you know what to do next?

Answer 8

i just learned this today, i wanna know how to set up the problem. i know all angles of a triangle add up to 180

Answer 9

So you have 2 sides already right?

Answer 10

Sorry i mean angles

Answer 11

yes

Answer 12

SInce you do not know the other angle you need to represent it with an x

Answer 13

yeah, i know that

Answer 14

So do 8x+3+13x+3+x=180

Answer 15

so i needed to add another x to the equation?

Answer 16

yes unless you know for sure that that 3rd angle is a right angle

Answer 17

oh okay

Answer 18

i got a decimal

Answer 19

Did the problem tell you that its a right angle

Answer 20

yes

Answer 21

oooh see our problem is now 8x+3+13x+3+90=180

Answer 22

i still got a decimal

Answer 23

hm